UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for CYJT... Searching the city database file for: CYJT ... Date:1200Z 9 DEC 25 Station: CYJT WMO ident: 71815 Latitude: 48.57 Longitude: -58.57 Elevation: 57.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 33 280 12 SFC 997 57 -6.5 -12.5 62 6.0 -8.1 280 12 266.9 267.1 265.3 270.9 1.46 2 925 636 -11.9 -15.9 72 4.0 -12.8 285 39 267.1 267.3 265.0 270.5 1.19 3 899 853 -13.7 -17.4 74 3.7 -14.5 289 41 267.5 267.6 265.0 270.5 1.08 4 854 1241 -17.5 -17.5 100 0.0 -17.5 280 41 267.5 267.6 265.1 270.6 1.13 5 850 1276 -17.7 -17.7 100 0.0 -17.7 280 42 267.6 267.8 265.1 270.7 1.12 6 754 2162 -23.9 -24.9 91 1.0 -24.0 289 44 270.2 270.3 266.1 272.2 0.67 7 751 2191 -24.3 -27.8 73 3.5 -24.7 288 44 270.1 270.2 265.7 271.6 0.52 8 724 2456 -26.3 -32.3 57 6.0 -26.9 280 47 270.7 270.8 265.8 271.8 0.35 9 700 2699 -28.5 -36.5 46 8.0 -29.2 280 46 270.9 271.0 265.8 271.7 0.24 10 695 2750 -28.9 -36.9 46 8.0 -29.5 280 46 271.0 271.1 265.8 271.7 0.23 11 639 3343 -34.3 -40.3 55 6.0 -34.7 286 50 271.5 271.5 266.0 272.0 0.18 12 625 3498 -35.5 -44.5 39 9.0 -36.0 288 52 271.8 271.9 266.1 272.2 0.12 13 548 4397 -42.9 -47.6 60 4.7 -43.0 286 60 273.5 273.5 267.2 273.8 0.09 14 522 4723 -45.1 -52.1 45 7.0 -45.3 289 61 274.6 274.7 267.9 274.8 0.06 15 500 5010 -45.3 -54.3 36 9.0 -45.5 290 60 277.8 277.8 269.9 278.0 0.05 16 496 5064 -45.7 -54.7 36 9.0 -45.9 290 60 278.0 278.0 270.0 278.1 0.05 17 479 5297 -44.7 -56.7 25 12.0 -45.0 287 62 282.0 282.0 272.3 282.1 0.04 18 444 5806 -45.5 -58.5 22 13.0 -45.8 280 67 287.2 287.2 275.2 287.3 0.03 19 400 6500 -47.9 -60.9 21 13.0 -48.1 270 67 292.7 292.7 278.0 292.8 0.03 20 399 6517 -47.9 -60.9 21 13.0 -48.1 270 67 292.9 293.0 278.2 293.0 0.03 21 356 7273 -45.1 -61.1 15 16.0 -45.5 265 62 306.4 306.4 284.0 306.5 0.03 22 326 7859 -47.1 -63.1 14 16.0 -47.4 263 69 311.5 311.5 285.9 311.6 0.02 23 314 8107 -46.1 -63.1 13 17.0 -46.5 262 70 316.2 316.2 287.5 316.3 0.03 24 300 8410 -46.9 -62.9 14 16.0 -47.3 260 72 319.3 319.3 288.5 319.4 0.03 25 277 8935 -47.3 -64.3 13 17.0 -47.7 256 74 326.0 326.0 290.6 326.1 0.02 26 250 9610 -46.5 -62.5 15 16.0 -47.0 255 82 336.9 336.9 293.6 337.1 0.03 27 247 9690 -46.1 -63.1 13 17.0 -46.6 255 83 338.7 338.7 294.0 338.8 0.03 28 221 10425 -49.3 -65.3 14 16.0 -49.7 259 88 344.7 344.7 295.5 344.8 0.03 29 216 10575 -49.3 -65.3 14 16.0 -49.7 260 89 347.1 347.1 296.0 347.2 0.03 30 200 11080 -49.1 -65.1 14 16.0 -49.6 255 81 355.0 355.0 297.7 355.2 0.03 31 183 11663 -50.3 -67.3 12 17.0 -50.8 253 82 362.2 362.2 299.1 362.3 0.02 32 178 11845 -49.7 -66.7 12 17.0 -50.2 253 82 366.1 366.1 299.9 366.2 0.03 33 155 12747 -52.5 -69.5 11 17.0 -52.9 251 83 376.1 376.1 301.6 376.2 0.02 34 151 12917 -51.1 -68.1 11 17.0 -51.6 250 83 381.3 381.3 302.5 381.4 0.03 35 150 12960 -51.3 -68.3 11 17.0 -51.8 250 83 381.7 381.7 302.5 381.8 0.03 36 126 14085 -53.3 -69.3 13 16.0 -53.8 245 74 397.6 397.6 304.9 397.7 0.03 37 121 14345 -52.9 -69.9 11 17.0 -53.4 244 71 402.9 402.9 305.6 403.1 0.03 38 110 14966 -47.5 -66.5 10 19.0 -48.5 241 66 424.2 424.2 308.2 424.5 0.05 39 100 15590 -50.7 -67.7 12 17.0 -51.5 235 72 429.8 429.8 308.9 430.0 0.04 40 82 16869 -54.5 -70.5 12 16.0 -55.1 241 67 447.1 447.1 310.6 447.3 0.03 41 79 17109 -51.9 -69.9 10 18.0 -52.8 236 68 457.3 457.3 311.5 457.5 0.04 42 70 17890 -52.9 -70.9 10 18.0 -53.8 230 67 471.2 471.2 312.8 471.4 0.04 43 55 19421 -60.1 -76.1 11 16.0 -60.6 221 71 488.4 488.4 314.1 488.5 0.02 44 50 20020 -57.3 -75.3 8 18.0 -58.0 230 60 508.4 508.5 315.5 508.6 0.03 45 46 20551 -54.1 -73.1 8 19.0 -55.2 234 56 528.4 528.5 316.8 528.7 0.04 46 36 22110 -57.5 -75.5 8 18.0 -58.5 216 33 558.0 558.0 318.5 558.3 0.04 47 30 23270 -53.9 -73.9 7 20.0 -55.6 220 26 597.7 597.7 320.5 598.1 0.06 48 23 24961 -58.7 -78.7 6 20.0 -60.0 233 38 630.8 630.8 321.9 631.0 0.04 49 21 25534 -58.1 -78.1 6 20.0 -59.6 210 38 649.2 649.2 322.7 649.5 0.04 50 21 25534 -54.1 -75.1 6 21.0 -56.3 210 38 661.3 661.3 323.2 661.8 0.07 51 20 25850 -51.1 -75.1 4 24.0 -54.2 240 33 679.8 679.8 323.8 680.4 0.07 52 19 26184 -50.9 -74.9 4 24.0 -54.1 240 35 690.4 690.5 324.1 691.1 0.08 53 16 27300 -52.3 -77.3 3 25.0 -55.6 211 22 720.6 720.7 325.1 721.2 0.06 54 14 28169 -49.9 -74.9 4 25.0 -54.2 227 34 756.8 756.9 326.1 757.8 0.11 55 10 30350 -54.1 -79.1 3 25.0 -58.0 275 21 817.6 817.6 327.7 818.4 0.08 56 9.7 30545 -55.1 -79.1 4 24.0 -58.7 821.0 821.0 327.8 821.8 0.08 57 9.3 30815 -53.3 -77.3 4 24.0 -57.6 837.8 837.9 328.1 838.9 0.11 58 8.0 31773 -58.7 -80.7 4 22.0 -61.7 853.2 853.2 328.5 853.9 0.07 59 6.2 33409 -49.3 -72.3 5 23.0 -56.4 957.9 958.1 330.5 962.1 0.35 60 5.7 33960 -49.9 -76.9 3 27.0 -57.3 978.6 978.7 330.9 980.9 0.19 TRP 496 5064 -45.7 -54.7 36 9.0 -45.9 290 60 278.0 278.0 270.0 278.1 0.05 WND 216 10575 -49.3 -65.3 14 16.0 -49.7 260 89 347.1 347.1 296.0 347.2 0.03 Sounding variables and indices 1000-500 mb thick: 4977.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 64.28 % Est. max temperature: -5.70 C = 21.74 F Sfc-Lift cond lev (LCL): 906.11 mb = 793.33 m = 2602.75 ft T: -13.20 C 700-500 lapse rate: 7.27 C/km ThetaE index: 0.55 C Layer 751.0- 724.0 mb Conv cond level (CCL): 873.34 mb = 1071.94 m = 3516.83 ft Mean mixing ratio: 1.27 g/kg Conv temperature: -5.91 C = 21.37 F Cap Strength: 3.57 C Lifted Index: 6.07 C Risk: None Lifted Index @300 mb: 34.47 C Lifted Index @700 mb: 1.48 C Showalter Index: 6.01 C Risk: None Total Totals Index: 55.20 C Risk: Severe Thunderstorms probable Vertical Totals Index: 27.60 C Cross Totals Index: 27.60 C K Index: 1.90 Risk: None Sweat Index: 268.00 Risk: None Energy Index: 1.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.94 J/kg Max Up Vert Vel: 1.97 m/s Conv Inhibition (B-): 82769.78 J/kg Cap Strength: 5.15 C Lift Cond Lev (LCL): 878.29 mb = 1029.27 m = 3376.82 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 316 at 37 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 997 57 280 12 11.8 -2.1 | 150 28 -14.2 24.6 1 966 305 280 34 33.5 -5.9 | 200 22 7.4 20.8 2 928 610 285 38 36.7 -9.8 | 212 20 10.7 16.8 3 925 636 285 39 37.7 -10.1 | 215 20 11.6 16.6 4 892 914 290 41 38.5 -14.0 | 225 18 12.5 12.7 5 856 1219 280 41 40.4 -7.1 | 216 24 14.3 19.6 6 850 1276 280 42 41.4 -7.3 | 218 25 15.3 19.4 7 822 1524 295 38 34.4 -16.1 | 218 14 8.4 10.6 8 788 1829 290 34 31.9 -11.6 | 201 16 5.9 15.0 9 756 2134 290 44 41.3 -15.0 | 233 19 15.3 11.6 10 725 2438 280 47 46.3 -8.2 | 228 27 20.2 18.5 11 700 2699 280 46 45.3 -8.0 | 226 27 19.3 18.7 12 696 2743 280 46 45.3 -8.0 | 226 27 19.3 18.7 13 609 3658 290 53 49.8 -18.1 | 250 25 23.8 8.5 14 557 4267 285 60 58.0 -15.5 | 251 34 31.9 11.1 15 510 4877 290 61 57.3 -20.9 | 259 32 31.3 5.8 16 500 5010 290 60 56.4 -20.5 | 259 31 30.3 6.2 17 496 5064 290 60 56.4 -20.5 | 259 31 30.3 6.2 18 445 5791 280 67 66.0 -11.6 | 249 43 39.9 15.0 19 425 6096 280 58 57.1 -10.1 | 242 35 31.1 16.6 20 400 6500 270 67 67.0 -0.0 | 237 49 41.0 26.7 21 388 6706 270 70 70.0 -0.0 | 239 51 44.0 26.7 22 354 7315 265 61 60.8 5.3 | 227 47 34.7 32.0 23 338 7620 265 67 66.7 5.8 | 231 52 40.7 32.5 24 300 8410 260 72 70.9 12.5 | 229 60 44.9 39.2 25 268 9144 255 75 72.4 19.4 | 225 65 46.4 46.1 26 250 9610 255 82 79.2 21.2 | 228 72 53.2 47.9 27 216 10575 260 89 87.6 15.5 | 236 75 61.6 42.1 28 213 10668 260 87 85.7 15.1 | 235 73 59.6 41.8 29 200 11080 255 81 78.2 21.0 | 228 71 52.2 47.6 30 150 12960 250 83 78.0 28.4 | 223 76 52.0 55.1 31 106 15240 240 64 55.4 32.0 | 207 66 29.4 58.7 32 100 15590 235 72 59.0 41.3 | 206 76 32.9 68.0 33 96 15850 235 72 59.0 41.3 | 206 76 32.9 68.0 34 87 16459 250 66 62.0 22.6 | 216 61 36.0 49.2 35 76 17374 230 69 52.9 44.4 | 201 76 26.8 71.0 36 72 17678 235 59 48.3 33.8 | 200 64 22.3 60.5 37 70 17890 230 67 51.3 43.1 | 200 74 25.3 69.7 38 54 19507 220 71 45.6 54.4 | 194 83 19.6 81.1 39 52 19812 235 76 62.3 43.6 | 207 79 36.2 70.3 40 50 20020 230 60 46.0 38.6 | 197 68 19.9 65.2 41 49 20117 235 57 46.7 32.7 | 199 63 20.7 59.4 42 47 20422 230 61 46.7 39.2 | 197 69 20.7 65.9 43 43 21031 250 39 36.6 13.3 | 195 41 10.6 40.0 44 41 21336 245 33 29.9 13.9 | 185 41 3.9 40.6 45 39 21641 235 28 22.9 16.1 | 176 43 -3.1 42.7 46 35 22250 210 35 17.5 30.3 | 171 58 -8.5 57.0 47 34 22555 220 59 37.9 45.2 | 189 73 11.9 71.9 48 30 23270 220 26 16.7 19.9 | 169 48 -9.3 46.6 49 28 23774 225 20 14.1 14.1 | 164 43 -11.9 40.8 50 25 24384 215 33 18.9 27.0 | 172 54 -7.1 53.7 51 24 24689 235 37 30.3 21.2 | 185 48 4.3 47.9 52 22 25298 230 39 29.9 25.1 | 184 52 3.8 51.7 53 21 25603 205 38 16.1 34.4 | 171 62 -10.0 61.1 54 20 25850 240 33 28.6 16.5 | 183 43 2.5 43.2 55 20 25908 235 42 34.4 24.1 | 189 51 8.4 50.8 56 19 26213 240 34 29.4 17.0 | 184 44 3.4 43.7 57 17 26822 195 27 7.0 26.1 | 160 56 -19.1 52.8 58 16 27432 215 20 11.5 16.4 | 161 45 -14.6 43.1 59 13 28651 235 44 36.0 25.2 | 191 53 10.0 51.9 60 12 28956 245 39 35.3 16.5 | 192 44 9.3 43.2 61 11 29566 240 25 21.7 12.5 | 174 39 -4.4 39.2 62 10 30175 315 12 8.5 -8.5 | 136 25 -17.6 18.2 63 10 30350 275 21 20.9 -1.8 | 168 25 -5.1 24.8 Wind Parameters Mean winds (0-6000m): 285.7 at 49.7 knts Storm direction: 315.7 at 37.3 knts Shear (0-3000m) pos: 5.0 neg: 2.4 tot: 7.3 10-3/s Storm rel Dir Shear (0-3000m): 83.8 deg Storm rel helicity (0-3000m) pos: 238.0 neg: -43.5 tot: 194.4 m^2/s^2 ave: 64.8 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 12.8 stream: 5.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 55.81 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 281 29 188 21| 26.1 0.0 26.1|147.2 0.0 147.2 294.5 0.93| 26.9 25.0 1000 285 35 203 19| 15.0 0.0 15.0|170.7 -5.2 165.6 165.6 0.82| 17.4 14.3 1500 285 37 208 20| 9.0 0.0 9.0|174.9 -14.8 160.2 106.8 0.55| 16.7 9.1 2000 287 37 209 19| 6.7 1.3 8.0|203.0 -26.2 176.9 88.4 0.50| 15.3 7.7 2500 286 38 214 19| 5.4 2.8 8.2|213.5 -41.3 172.1 68.9 0.42| 14.5 6.1 3000 285 40 217 21| 5.0 2.4 7.3|238.0 -43.5 194.4 64.8 0.44| 12.8 5.6 4000 286 43 226 22| 4.4 2.5 6.9|290.0 -43.5 246.5 61.6 0.46| 11.3 5.2 5000 286 47 234 23| 3.9 2.0 5.8|331.8 -46.9 284.9 57.0 0.47| 9.9 4.6 6000 286 50 239 26| 3.2 2.3 5.5|331.8-149.2 182.6 30.4 0.30| 10.0 3.0 Wrote GIF file: /home/apache/climate/data/raob//CYJT/skewt/CYJT.skewt.20251209.12.gif